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Date: Wed, 22 May 2024 10:06:48 -0700
From: Muhammad Usama Anjum <usama.anjum@...labora.com>
To: Shuah Khan <shuah@...nel.org>,
Srinivas Pandruvada <srinivas.pandruvada@...ux.intel.com>,
Muhammad Usama Anjum <usama.anjum@...labora.com>,
"Rafael J. Wysocki" <rafael.j.wysocki@...el.com>
Cc: kernel@...labora.com,
linux-kselftest@...r.kernel.org,
linux-kernel@...r.kernel.org
Subject: [PATCH 1/2] selftests/thermel/intel: conform the test to TAP output
Conform the layout, informational and status messages to TAP. No
functional change is intended other than the layout of output messages.
Signed-off-by: Muhammad Usama Anjum <usama.anjum@...labora.com>
---
.../intel/workload_hint/workload_hint_test.c | 98 ++++++++-----------
1 file changed, 39 insertions(+), 59 deletions(-)
diff --git a/tools/testing/selftests/thermal/intel/workload_hint/workload_hint_test.c b/tools/testing/selftests/thermal/intel/workload_hint/workload_hint_test.c
index 217c3a641c537..d107c2d6f3a22 100644
--- a/tools/testing/selftests/thermal/intel/workload_hint/workload_hint_test.c
+++ b/tools/testing/selftests/thermal/intel/workload_hint/workload_hint_test.c
@@ -9,6 +9,7 @@
#include <fcntl.h>
#include <poll.h>
#include <signal.h>
+#include "../../../kselftest.h"
#define WORKLOAD_NOTIFICATION_DELAY_ATTRIBUTE "/sys/bus/pci/devices/0000:00:04.0/workload_hint/notification_delay_ms"
#define WORKLOAD_ENABLE_ATTRIBUTE "/sys/bus/pci/devices/0000:00:04.0/workload_hint/workload_hint_enable"
@@ -31,17 +32,13 @@ void workload_hint_exit(int signum)
/* Disable feature via sysfs knob */
fd = open(WORKLOAD_ENABLE_ATTRIBUTE, O_RDWR);
- if (fd < 0) {
- perror("Unable to open workload type feature enable file\n");
- exit(1);
- }
+ if (fd < 0)
+ ksft_exit_fail_perror("Unable to open workload type feature enable file");
- if (write(fd, "0\n", 2) < 0) {
- perror("Can' disable workload hints\n");
- exit(1);
- }
+ if (write(fd, "0\n", 2) < 0)
+ ksft_exit_fail_perror("Can' disable workload hints");
- printf("Disabled workload type prediction\n");
+ ksft_print_msg("Disabled workload type prediction\n");
close(fd);
}
@@ -54,32 +51,27 @@ int main(int argc, char **argv)
char delay_str[64];
int delay = 0;
- printf("Usage: workload_hint_test [notification delay in milli seconds]\n");
+ ksft_print_header();
+ ksft_set_plan(1);
+
+ ksft_print_msg("Usage: workload_hint_test [notification delay in milli seconds]\n");
if (argc > 1) {
ret = sscanf(argv[1], "%d", &delay);
- if (ret < 0) {
- printf("Invalid delay\n");
- exit(1);
- }
+ if (ret < 0)
+ ksft_exit_fail_perror("Invalid delay");
- printf("Setting notification delay to %d ms\n", delay);
+ ksft_print_msg("Setting notification delay to %d ms\n", delay);
if (delay < 0)
- exit(1);
-
- sprintf(delay_str, "%s\n", argv[1]);
+ ksft_exit_fail_msg("delay can never be negative\n");
sprintf(delay_str, "%s\n", argv[1]);
fd = open(WORKLOAD_NOTIFICATION_DELAY_ATTRIBUTE, O_RDWR);
- if (fd < 0) {
- perror("Unable to open workload notification delay\n");
- exit(1);
- }
+ if (fd < 0)
+ ksft_exit_fail_perror("Unable to open workload notification delay");
- if (write(fd, delay_str, strlen(delay_str)) < 0) {
- perror("Can't set delay\n");
- exit(1);
- }
+ if (write(fd, delay_str, strlen(delay_str)) < 0)
+ ksft_exit_fail_perror("Can't set delay");
close(fd);
}
@@ -93,63 +85,51 @@ int main(int argc, char **argv)
/* Enable feature via sysfs knob */
fd = open(WORKLOAD_ENABLE_ATTRIBUTE, O_RDWR);
- if (fd < 0) {
- perror("Unable to open workload type feature enable file\n");
- exit(1);
- }
+ if (fd < 0)
+ ksft_exit_fail_perror("Unable to open workload type feature enable file");
- if (write(fd, "1\n", 2) < 0) {
- perror("Can' enable workload hints\n");
- exit(1);
- }
+ if (write(fd, "1\n", 2) < 0)
+ ksft_exit_fail_perror("Can' enable workload hints");
close(fd);
- printf("Enabled workload type prediction\n");
+ ksft_print_msg("Enabled workload type prediction\n");
while (1) {
fd = open(WORKLOAD_TYPE_INDEX_ATTRIBUTE, O_RDONLY);
- if (fd < 0) {
- perror("Unable to open workload type file\n");
- exit(1);
- }
+ if (fd < 0)
+ ksft_exit_fail_perror("Unable to open workload type file");
- if ((lseek(fd, 0L, SEEK_SET)) < 0) {
- fprintf(stderr, "Failed to set pointer to beginning\n");
- exit(1);
- }
+ if ((lseek(fd, 0L, SEEK_SET)) < 0)
+ ksft_exit_fail_perror("Failed to set pointer to beginning");
- if (read(fd, index_str, sizeof(index_str)) < 0) {
- fprintf(stderr, "Failed to read from:%s\n",
- WORKLOAD_TYPE_INDEX_ATTRIBUTE);
- exit(1);
- }
+ if (read(fd, index_str, sizeof(index_str)) < 0)
+ ksft_exit_fail_perror("Failed to read from: workload_type_index");
ufd.fd = fd;
ufd.events = POLLPRI;
ret = poll(&ufd, 1, -1);
if (ret < 0) {
- perror("poll error");
- exit(1);
+ ksft_exit_fail_perror("poll error");
} else if (ret == 0) {
- printf("Poll Timeout\n");
+ ksft_print_msg("Poll Timeout\n");
} else {
- if ((lseek(fd, 0L, SEEK_SET)) < 0) {
- fprintf(stderr, "Failed to set pointer to beginning\n");
- exit(1);
- }
+ if ((lseek(fd, 0L, SEEK_SET)) < 0)
+ ksft_exit_fail_perror("Failed to set pointer to beginning");
- if (read(fd, index_str, sizeof(index_str)) < 0)
- exit(0);
+ if (read(fd, index_str, sizeof(index_str)) < 0) {
+ ksft_test_result_pass("Successfully read\n");
+ ksft_finished();
+ }
ret = sscanf(index_str, "%d", &index);
if (ret < 0)
break;
if (index > WORKLOAD_TYPE_MAX_INDEX)
- printf("Invalid workload type index\n");
+ ksft_print_msg("Invalid workload type index\n");
else
- printf("workload type:%s\n", workload_types[index]);
+ ksft_print_msg("workload type:%s\n", workload_types[index]);
}
close(fd);
--
2.39.2
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